import java.util.List;

public class JEP512 {

    void main() {
        IO.println("Hello, World!");
        String name = IO.readln("请输入名称：");
        IO.println("Hello, " + name + "!");
        var list = List.of(1, 2, 3, 4, 5);
        IO.println(list);
    }
}
